Answer:
• the warmth from the sun
• the heat from another a heater
• A cup of hot chocolate
•baking in an oven
Explanation:
the experiment conducted is the student adds sugar to a cup of iced tea and a cup of hot tea. She notices that the time needed for the sugar to dissolve in each cup is different. She thinks this has something to do with the temperature of the tea
hypothesis: If the student puts the sugar in both glasses of tea, then the sugar in the hot tea should dissolve quicker.
Answer:
the atmosphere supports life by giving us simple things like wood.
Answer:
option D is correct answer of this question
Explanation:
a man out of chronium 8 = 24.6 grams
mass of oxygen = 11.8 grams
mass of oxygen = 1.2 grams
total mass =24.6 + 11.8 + 1.2
=37.6
percent composition by mass of chromium
= 24.6/37.6 = 0.654